{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LT1639CS#PBF","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"LT1639CSPBF","canonicalUrl":"https://icboms.com/analog-devices/LT1639CSPBF","factsUrl":"https://icboms.com/api/mcp/products/LT1639CS%23PBF","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices LT® LT1639CS#PBF, General Purpose Amplifier, 4 Circuit, Rail-to-Rail, 1.2 MHz, 0.4V/µs, 2.5V to 44V, 14-SOIC, -40°C to 85°C.","salesMarkdown":"## Quad op-amp for multi-channel signal chains on a tight power budget The Analog Devices LT1639CS#PBF is a quad general-purpose operational amplifier with rail-to-rail output swing, packaged in a 14-SOIC. The four amplifiers together draw 205 µA total supply current, which breaks down to roughly 51 µA per channel — a strong fit for multi-channel sensor interfaces, battery-monitoring front-ends, and low-power active filters where every microamp counts. The 40 mA output current per channel can drive moderate loads like ADC inputs, reference buffers, or small relays through a transistor stage. Input offset voltage is specified at 350 µV, and input bias current at 20 nA — adequate for general-purpose precision work without reaching into zero-drift territory. The 14-SOIC package is a common footprint with broad second-source availability for the package itself, though a direct pin-compatible alternate from another manufacturer would need to match the 2.5 V to 44 V supply range and the quad rail-to-rail output topology. The 2.5 V minimum supply lets this op-amp run directly from a single lithium cell or a 3.3 V rail with headroom to spare. The 44 V maximum covers 24 V industrial systems with margin for transients.","metaTitle":"LT1639CS#PBF Quad Rail-to-Rail Op-Amp, 1.2 MHz, 14-SOIC","metaDescription":"LT1639CS#PBF quad general-purpose op-amp from Analog Devices (LT®). Rail-to-rail output, 1.2 MHz GBW, 205 µA supply, 2.5 V to 44 V range. Active, RoHS3.","metaKeywords":null},"attributes":{"series":"LT®","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Series":"LT®","Package":"Tube","Slew Rate":"0.4V/µs","Output Type":"Rail-to-Rail","Mounting Type":"Surface Mount","Amplifier Type":"General Purpose","Package / Case":"14-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Current - Supply":"205µA (x4 Channels)","Number of Circuits":"4","Current - Input Bias":"20 nA","Operating Temperature":"-40°C ~ 85°C","Gain Bandwidth Product":"1.2 MHz","Voltage - Input Offset":"350 µV","Supplier Device Package":"14-SO","Current - Output / Channel":"40 mA","Voltage - Supply Span (Max)":"44 V","Voltage - Supply Span (Min)":"2.5 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.75","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$10.75000","currency":"USD"},{"qty":10,"price":"$9.70900","currency":"USD"},{"qty":25,"price":"$9.25680","currency":"USD"},{"qty":100,"price":"$8.03780","currency":"USD"},{"qty":250,"price":"$7.67652","currency":"USD"},{"qty":500,"price":"$6.99918","currency":"USD"},{"qty":1000,"price":"$6.39000","currency":"USD"}]},"links":{"datasheetUrl":"https://www.analog.com/media/en/technical-documentation/data-sheets/16389fg.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the LT1639 rail-to-rail?","answer":"The LT1639CS#PBF features a rail-to-rail output stage, allowing the output to swing close to both supply rails under light loads. The input common-mode range is not rail-to-rail — it extends from the negative rail to within about 1.1 V of the positive rail."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/LT1639CSPBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/LT1639CSPBF when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}